Williamson Landscape Architecture LLC, focuses exclusively on residential gardens. We have both in-house designers and landscape crew so that we are able to ensure continuity throughout every phase of creating your garden.

As the gardens we've planted over the years mature, so have we. We are proud to be celebrating 18 years in business in 2010.

In 2004 we created a new division within WLA titled MoonDance Outdoor Lighting. This division brings both technical and design expertise to the illumination of your garden.

 
Contact Information
 

Williamson Landscape Architecture, LLC
General Contractor #: WILLIALA055L0
Electrical Licensed Limited Energy
Contractor #: WILLILA996RU

2016 E. Union Street
Seattle, WA 98122

TEL. 206.784.7996
FAX. 206.784.1264
email Bill

 

 
Our Services
 
  • Consultations
  • Garden Restorations
  • Site Planning
  • Hardscape and Planting Design
  • Seasonal and Perennial Plantings
  • Container Gardens
  • Decks, Fences, and Arbors
  • Landscape/Security Lighting - Licensed Limited Energy Contractor
  • Complete Installation Services by Licensed General Contractor
  • Fully supervised quality subcontractors
From initial design to final construction detailing, we pride ourselves on responsive, professional service.

 
Credentials
 

Bill Williamson, Principal WLA
Landscape Architect
Bill brings more than 20 years experience to designing residential gardens. In 1981, he graduated with a Bachelor of Landscape Architecture degree from the University of Washington. He founded Williamson Landscape Architecture in 1992, which today is a highly respected residential landscape design and construction firm in the Northwest.

Washington State Registered Landscape Architect, Number 379.
Member American Society of Landscape Architecture

Sandy Williamson, Principal MoonDance Outdoor Lighting
Lighting Designer
Sandy contributes a wealth of knowledge to the lighting of your outdoors. She received her Masters Degree in Architecture from California Polytechnic University, San Luis Obispo, CA in 1985. Her architectural understanding of form and space allows her to creatively apply these principles to light your garden.

In addition, she has her Washington State Limited Energy Electrician's License. This licensing is required by the state and National Electrical Code (NEC) for the installation of low voltage lighting systems.


The professional staff at WLA involved in your project may include:

Susanne O'Trimble, Senior Designer
Susanne is an award winning designer with over 15 years experience, creating both large and small gardens in a broad range styles. She has a talent for combining color, form and texture to create just the right mood in the garden. Her extensive plant knowledge includes the appropriate use of drought tolerant and native plants. Susanne has the ability to create solutions for your garden based upon your desires.
Bachelor of Landscape Architecture, University of Arizona.


 
Awards and Honors
 

Finalist Judge:

2002 and 2003 Pacific Northwest Garden Competition Judge
Sponsored by The Seattle Times & the Arboretum Foundation


Northwest Flower and Garden Show Awards:
Participated in the show in: 1993-1998, 2001 and 2005

Garden Creator's Award
Gold 2005, Gold 2001

Sunset Western Living Award
Gold 2001

Pacific Rim Award
Garden that best illustrates an Asian influence.
Gold 1998.

Chelsea Award
Garden with British influence.
Gold 1997.

Foliage Award
Best use of foliage in garden design.
Silver 1995. Silver 1997.

William Thompson Award
Overall excellence in landscape design.
Gold 1996. Gold 1995. Bronze 1994.

Water Smart Award
Best use of techniques for water conservation.
Gold 1995.

Aquatic Award
Best water feature.
Gold 1995.

Garden Design Magazine Award
Excellence in urban residential landscape design.
Gold 1994.

Edifice Award
For expert craftsmanship.
Bronze 1993.


 
Publications
 
Sunset
"Ideas for Great
Patios and Decks,"
January 2000.
  Decorating
"Dressing for
the Weather,"
Summer 2000       
 
Better Homes
and Gardens
"Garden Retreat
from Busy City,"
June 1998
    Better Homes
and Gardens

"Garden Retreat
from Busy City,"
June 1996
 
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